Bug 1498207 – DNF crash during upgrade installation F26 -> F27
November 16, 2017 10:35:20 AM GMT+01:00 * - permalink -

- https://bugzilla.redhat.com/show_bug.cgi?id=1498207

Bug 1498875 – dnf system-upgrade reboot reboots twice without upgrading
November 16, 2017 10:35:11 AM GMT+01:00 * - permalink -

- https://bugzilla.redhat.com/show_bug.cgi?id=1498875

Can't upgrade to Fedora 27 via dnf system-upgrade - devel - Fedora Mailing-Lists
November 16, 2017 10:35:05 AM GMT+01:00 * - permalink -

- https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/FZOLO7KLNZ5QK54KEZKRFMPFIGR2N6QG/

Python requests ImportError: cannot import name HeaderParsingError - Stack Overflow
December 11, 2015 02:51:20 PM GMT+01:00 * - permalink -

- https://stackoverflow.com/questions/32986626/python-requests-importerror-cannot-import-name-headerparsingerror

firefox 31 + self-signed certificate = sec_error_ca_cert_invalid » dob.sk blog
August 3, 2014 02:16:13 PM GMT+02:00 * - permalink -

- http://blog.dob.sk/2014/07/23/firefox-31-self-signed-certificate-sec_error_ca_cert_invalid/